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E78-DTU(900LN22) LoRaWAN RF RS485 module 6601 chip wireless ad hoc network polling Node modem 868MHz915MHzCortexM4

[Transmission power]:0.16W

[Communication distance]:3km

[Product weight]:120g

[Product size]:100*84*25mm

[Introduction]:The E78-DTU (900LN22) is a standard LoraWan node data transceiver designed and produced by Chengdu Ebyte Electronic Technology Co., Ltd. It is developed based on our E78-868LN22S/915LN22S module,the equipment supports EU868/IN865/RU864/US915/AU915/ Seven regional files of AS923/KR920.

1
Pin numberItemFeaturesExplanation
1DB9 female socketRS232 interface

Standard RS232 interface

23.81mm Phoenix
terminal block
RS485, power
interface

Standard RS485 interface and pressure line power interface

3PWR-LEDPower Indicator

Red, always on when the power is on

4LINK-LEDStatus Link Indicator

Yellow, always on when connected to the gateway

5DATA-LEDData sending and
receiving indicator

Yellow, flashing when sending and receiving data

6DC -IN power
interface
Power interface

In-line round hole, outer diameter 5.5mm, inner diameter
2.5mm

7DIP switch DIP switch

Reload (restore factory settings) and RST (reset) DIP
switches

8Antenna interfaceSMA-K interface

External threaded inner hole, length 10mm, characterisc